| | Old Town, ME | Harpers Ferry, WV | United States |
| Rainfall | 42.4 | 40.3 | 38.1 |
| Snowfall | 69.1 | 19.8 | 27.8 |
| Precipitation Days | 120.8 | 114.8 | 106.2 |
| Sunny | 178 | 201 | 205 |
| Avg. July High | 79.7 | 86.1 | 85.8 |
| Avg. Jan. Low | 7 | 21.3 | 21.7 |
| Comfort Index (higher=better) | 6.4 | 7.3 | 7 |
| UV Index | 3 | 3.9 | 4.3 |
| Elevation ft. | 105 | 489 | 2443 |